I have a problem with my exchange 5.5. I can receive and send email to almost all the domains. When I am trying to send an email to a server 2K with exch 2k in other domain it doesn't getthrough ,but i can receive. Is that matter that my computer name is XXXX_YYYY. My computer has _ in its name. I heard that exchange 2k di not recognize the _ ( Underscore). But upto last week we were able to send and receive email to that organization. ANy idea or clue Rakesh Jain Network Engineer -----Original Message----- From: Robert Abela [mailto:robert@xxxxxxx] Sent: Tuesday, February 25, 2003 8:19 AM To: [ExchangeList] Subject: [exchangelist] RE: no out going mail http://www.MSExchange.org/ It should give you more reasons.... Or in the event log there should be more reasons. -----Original Message----- From: Steve Alcock [mailto:steve.alcock@xxxxxxxxxxxxxx] Sent: Tuesday, February 25, 2003 4:23 PM To: [ExchangeList] Subject: [exchangelist] no out going mail http://www.MSExchange.org/ the ndr says : the following recipicant(s) cannot be reached steve ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: robert@xxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub') ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: rjain@xxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub') This mail was content checked for malicious code and viruses by GFI MailSecurity. GFI MailSecurity provides email content checking, exploit detection and anti-virus for Exchange & SMTP servers. Spam, viruses, dangerous attachments and offensive content are removed automatically. Key features include: Multiple virus engines; Email content & attachment checking; Exploit shield - email intrusion detection & defence; Email threats engine - analyses & defuses HTML scripts, .exe files & more. In addition to GFI MailSecurity, GFI also produces the GFI FAXmaker fax server & GFI LANguard network security product ranges. For more information on our products, please visit http://www.gfi.com <http://www.gfi.com> . This disclaimer was sent by GFI MailEssentials for Exchange/SMTP.